LG C1150 Service Manual page 68

Checking Flow
SETTING : Connect the battery and the charging adaptor (TA) to the phone
START
Voltage at VCHG
(A5 pin of U102)
=5.2V ?
YES
R108, Q103, D101
Well-Soldered?
YES
Voltage across
D101 = ~0.3V
YES
Voltage across
R108 is ~100mV.
YES
~0.7< Voltage(Q103) < ~1.3V
YES
Is the battery charged ?
YES
CHARGING WILL
OPEATE PROPERLY
The charging adapt or(TA) is ou t of order
NO
Change the chargi ng adaptor.
NO Resolder R108, Q103, D101.
NO Repl ace D101.
Repl ace R108.
NO
Repl ace Q103.
NO
The battery m ay have the probl em.
NO
Change the battery and try again.
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4. TROUBLE SHOOTING